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HC-CARGO Regulators

A fully charged battery is a prerequisite for a trouble-free functioning of a vehicle.
The device that monitors and controls the recharging of the battery is called a voltage regulator.
Regulators maintain the alternator voltage output constant across the engine’s complete speed range.
Modern regulators exchange information with the vehicle’s Engine Control Unit (ECU).
The respective medium of communication differs (e.g. BSS, LIN, RLO, RVC, RC or PWM).

Voltage regulators are designed to exchange information between the vehicle’s Engine Control Unit(s) and the alternator.
The information exchange allows for dynamic adjustments, such as load response or output current.
The sum of all adjustments leads to improvements of e.g. the charging system and the fuel economy.
Nowadays, reliable bidirectional communication is secured by communication protocols, such as BSS and LIN (see reference below).
Regulators that feature BSS and LIN are also called interface regulators.

Digital interface to share information & communicate with regulator.

Avoid installing an alternator with a wrong signal:

Searching via number plate can indicate 2 different alternators. From the installation point of view they are the same, but in terms of the signal totally different.

The alternator may not charge correctly. The lamp in the dashboard will indicate this immediately or after some minutes after the engine has been started.
Note: OE manufacturers are constantly developing their regulators further. Installing an alternator with the wrong signal might in the future cause more serious problems for the vehicles’ operation.

If customers search via the OE number, they will be sure to get the right alternator with the correct signal.

“Remarks This alternator has a COM terminal on the regulator. It is recommended that the OEM number is used to check suitability before ordering.”